html, body, div, p, ul, li, dl, dt, dd, h1, h2, h3, h4, h5, h6, th, td {
	margin: 0;
	padding: 0;
	list-style: none;
}
html, body, #app {
	height: 100%;
	overflow: hidden;
	font-size: 14px;
	color: #333;
	font-family: '微软雅黑';
}
.page_loading {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	/* background: url(../img/semicircle.svg) no-repeat center; */
	background-color: #357c65;
}
.page_loading .first,
.page_loading .second,
.page_loading .third {
	position: absolute;
	top: 50%;
	left: 50%;
	content: '';
	border-radius: 50%;
	border: solid 10px #fff;
	border-color: #fff transparent;
	box-sizing: border-box;
}
.page_loading .first {
	width: 320px;
	height: 320px;
	margin: -160px 0 0 -160px;
	animation: rotateAni 2.5s linear infinite;
}
.page_loading .second {
	width: 200px;
	height: 200px;
	margin: -100px 0 0 -100px;
	animation: rotateAni 2.5s linear infinite reverse;
}
.page_loading .third {
	width: 80px;
	height: 80px;
	margin: -40px 0 0 -40px;
	animation: rotateAni 2.5s linear infinite;
}
@keyframes rotateAni {
	0% {
		transform: rotate(0);
	}
	100% {
		transform: rotate(360deg);
	}
}
